John button



JOHN SUTTON, OF

NEW rofRK, N'. Y.

LUBRICATOR FOR STEAM-ENGINES.

Specification of Letters Patent No.

To all whom t may concern Be it known that I, JOHN SUTTON, of the city, county, and State of New York, have invented a new andv useful improvement 1n grease-feeders for lubricating the cylinders, valve-seats, and other parts of steam-engines or ot-her apparatus subject to internal pressure greater than the atmosphere while in operation; and I do hereby declare that the following is a full, clear, and exact descript-ion of the same, reference being had to the accompanying drawing, forming part of this specification, representing a section through the center with the moving parts entire of a feeder constructed according to this invention, which, to distinguish from another invention of mine for the same purpose, I will denominate No. l.

In the grease feeder which forms the subject of this invention, the oil or grease is forced from a reservoir into the engine or apparatus by means of a piston working in a cylinder.

This invention consists in a novel arrangement of passages between a cylinder and reservoir whereby a solid piston may be employed without using a valve, cock, or other means of opening and closing the communication between the said cylinder and reservoir.

To enable those skilled in the art to make and use my invention I will proceedto describe it-s construction and operation.

A, is the reservoir con Iaining the oil or other grease in a Huid state; B, the cylinder, and C, the piston.

The reservoir is or may be of about the same form and size usually employed for similar purposes, and is supplied with oil through holes b, b, in the bottom of a small cup above it. The cylinder is placed in the bottom or lowest aart of the reservoir, with a portion more t an equal to the depth of the piston, standing above the lowest part of the reservoir, in order that passages a, a, through which it has communicatedwith the reservoir, may be left open when the piston is raised above them, as shown in the drawing in black outline. The total depth and diameter of t-he cylinder will depend on the quantity of grease to be injected at one time. The piston may be made and packed in any well known manner. Its rod 'passes 12,259,` dated January 16, 1855.

through a guide c, in the top of the reservoir, which guide also serves as a vent tube, and outside of this guide it is furnished with a knob or handle. It is also furnished below the guide c, with a collar d, to prevent its being drawn too far upward; and above this collar a spring e, of india rubber or other material is fitted around it to prevent concussion against the guide c, when the piston is drawn up. Below the cylinder B, is a tight passage f, leading to the steam cylinder or other part to be lubricated, and this passage is opened and closed by a common stop cock D, or may be fitted with a valve in place of the stop cock.

When the reservoir contains oil, if the cock D is shut and the piston is drawn upward by hand from the position shown in red outline or anywhere below the passages a, a, a vacuum will be formed in the cylinder and after the piston passes the said passages the oil will be caused by the pressure of the atmosphere and by gravitation to Yrush through the said passages into the cylinder and ll it. Before opening the cock for the oil to enter the steam cylinder or other place where it is required, the piston should be forced down far enough to close the passages a, a, having done which its further descent will be stopped by the oil itself. The cock may be then opened and the piston forced down far enough to drive the whole or part of the contents of the cylinder B, to where it is required.`

By providing the passage f, with a valve closing with and opening against the pressure of steam, the turning of the cock may be dispensed with as the valve will be opened by the pressure produced on the oil in the cylinder by the force applied to the piston.

I do not confine myself to the vertical position of the cylinder and piston as they may bearranged in any otherv position provided the passages a, a, are covered by the oil in the reservoir or so long as a small quantity remains therein.

I do not claim the employment of a cylindr and a solid piston combined with a grease reservoir to force grease into steam cylinders and other parts ccf engines and 'other apparatus while in operation, as I am aware that such a combination has been before made use of, but with 'cocks orv Valves not only in the discharge passage, butin the passage communicating between ythe reser- Voir and cylinder; but

What I do claim as my invention and de-A sire to secure by Letters Patent, is* y Arranging the passage or passages between the grease reservoir and forcing cylinder substantially as herein described so as to be opened and closedby the movement of a solid piston, thereby dispensing with a valve 10 or equivalent either in the piston 4or in the said passages and only requiring one Valve or cock in the discharge passage.

y JOHN SUTTON.

Witnesses:V v GEO. W. ARMSTRONG,

EDWARD CLARKE. 

